Outage in Cloudflare
HTTP/3 issue affecting R2 custom domains
Minor
August 31, 2026 - Started about 17 hours ago
Official incident page
Official incident page
Incident Report
Some Firefox users may see delayed or failed asset loads on R2 custom domains due to an incorrect HTTP/3 advertisement. We are working on a fix.
Trusted by 1,000+ teams
The Status Page Aggregator with Early Outage Detection
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
INVESTIGATING
about 17 hours ago - at 08/31/2026 06:47PM
Some Firefox users may see delayed or failed asset loads on R2 custom domains due to an incorrect HTTP/3 advertisement. We are working on a fix.
Latest Cloudflare outages
Requests from wrangler or other OAuth clients may experience elevated errors - about 3 hours ago
Cloudflare Access one-time PIN emails blocked by certain email security gateways, including Proofpoint - about 15 hours ago
Cloudflare Access bypass IP service experiencing availability issues - about 24 hours ago
Increased HTTP 5xx Errors in Singapore - 4 days ago
The Status Page Aggregator with Early Outage Detection
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
